a polysaccharide, (C6H10O5)n, obtained from the roots of certain plants, especially elecampane, dahlia, and Jerusalem artichoke, that undergoes hydrolysis to the dextrorotatory form of fructose: used chiefly as an ingredient in diabetic bread, in processed foods to increase their fiber content, and as a reagent in diagnosing kidney function.
- Also called alant starch .
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British Dictionary definitions for inulin
a fructose polysaccharide present in the tubers and rhizomes of some plants. Formula: (C 6 H 10 O 5) n
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